Detection of hydrogen peroxide with optical indicator chalcogen

Details Detection of hydrogen peroxide with optical indicator chalcogen Detection of hydrogen peroxide with optical indicator chalcogen

1990-09-28

1992-01-14

Lacey, David L.

Chemistry: analytical and immunological testing

Oxygen containing

Ozone or peroxide

436 66, 436172, 435 28, G01N 3300, G01N 2176, C12Q 128, C07D31102

Patent

active

050810448

ABSTRACT:
Optical indicator chalcogen (selenide or sulfide) compounds responsive to oxidants, e.g., hydrogen peroxide, and a method for using such indicators. Upon oxidation the resulting intermediate undergoes spontaneous elimination of the chalcogen residue to yield a signal compound which provides an optical signal such as fluorescence. Preferred fluorogenic indicator compounds are 3-chalcogen-3,4-dihydrocoumarin derivatives and 3-chalcogen-3,4-dihydro-2-quinolone derivatives. Such indicator compounds provide highly fluorescent products upon oxidation by hydrogen peroxide and are useful in analytical systems which generate hydrogen peroxide in response to the analyte under determination.

REFERENCES:
patent: 3547952 (1970-12-01), Sarkar
patent: 3891710 (1975-06-01), Evers et al.

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